Back to EveryPatent.com
United States Patent | 5,691,042 |
Goguelin ,   et al. | November 25, 1997 |
The invention relates to a printable, coated, marked sheet which is formed by a marked base covered on at least one of its sides by at least one pigmented coating and more particularly a matt coating. The invention furthermore relates to the manufacturing process of such a sheet.
Inventors: | Goguelin; Michel (Charavines, FR); Thibierge; Emeric (Asnieres, FR); Barthez; Alain (Paris, FR) |
Assignee: | Arjo Wiggins S.A. (Paris, FR) |
Appl. No.: | 078248 |
Filed: | August 18, 1993 |
PCT Filed: | December 20, 1991 |
PCT NO: | PCT/FR91/01047 |
371 Date: | August 18, 1993 |
102(e) Date: | August 18, 1993 |
PCT PUB.NO.: | WO92/11413 |
PCT PUB. Date: | July 9, 1992 |
Dec 21, 1990[FR] | 90 16141 |
Current U.S. Class: | 428/211.1; 427/256; 428/174; 428/341; 428/500; 428/507; 428/521; 428/537.5 |
Intern'l Class: | B32B 003/00 |
Field of Search: | 156/78,244.23,244.24,244.25,307.7 428/319.7,204,207,412,458,480,195,481,486,537.5,174,211,347,500,507,521 427/147,209,296,256 264/45.1 162/70,72,109 |
1900294 | Mar., 1933 | Lovatt. | |
4957578 | Sep., 1990 | Huffman et al. | 428/204. |
4986860 | Jan., 1991 | Akimoto et al. | 428/319. |
Foreign Patent Documents | |||
377927 | Apr., 1931 | BE. |
JP 57 056212 Translation of patent, Apr. 1982. World Patents Index Latest Week 8251, Sep. 24, 1971, Derwent Publications Ltd., AN 82-10862J. |
TABLE 1 ______________________________________ EXAMPLES A B ______________________________________ Dry weight of coating 20 19 (g/m.sup.2) Weight of paper 114 117 (g/m.sup.2) Swelling index 1.00 1.21 (cm3/g) Ash content at 420.degree. C. 25 24.5 (dry in air) TABER rigidity (g.cm) Travelling direction 3.0 3.9 Transverse direction 1.5 2.6 ______________________________________
______________________________________ calcium carbonate 55 parts kaolin 45 parts ______________________________________